Spiral - welded steel pipe is aailable in sizes from 6 to 36 inches.

螺旋焊接钢管的尺寸从六寸到三十六寸.

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Aimed at spirally welded steel pipe, a visual sensor for automatic seam tracking system is developed.

针对螺旋埋弧焊钢管外焊, 研制了一种基于视觉传感的焊缝自动跟踪系统.

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Give qualitative two means to take account of standard for steel strip and welded steel pipe.

在全面考虑钢带和焊管标准的基础上,提出解决钢带判定的两种方法.

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Spiral welded steel pipe is available in sizes from 6 to 36 inches.

螺旋烧焊钢管的尺寸从六寸到三十六寸.

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